FNPS Plant Database

Koanophyllon villosum

Florida shrub thoroughwort
  • Photo by: Roger Hammer, Dade Chapter FNPS
  • Photo by: Roger Hammer, Dade Chapter FNPS

Nomenclature

Common Name:

Florida shrub thoroughwort

Synonym(s):

Eupatorium villosum

Genus species:

Koanophyllon villosum

Family:

Asteraceae

Plant Specifics

Form:

shrub

Size:

6 ft

Life Span:

Long-lived perennial

Flower Color:

white

Fruit Color:

white

Phenology:

Evergreen

Noted For:

Showy Flowers

Landscaping

Recommended Uses:

Back of garden screen

Considerations:

Availability:

Native Nurseries

Propagation:

seed

Light:

Full Sun, Part Sun

Moisture Tolerance:

Always Flooded---------------------------------Extremely Dry

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Not wet but not extremely dry -to- Very long very dry periods

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

Low/no tolerance of salty wind or direct salt spray

Soil or Other Substrate:

Lime Rock, Organic

Soil pH:

calcareous

Suitable to Grow In:

10B,11

USDA zones are based on the average annual extreme minimum winter temperature.



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Ecology

Wildlife:

Pollinators, Butterflies

Attracts butterflies and bees.

Native Habitats:

Pine rockland, edges of hammocks

Natural Range in Florida:

Comments:

Ethnobotany:

General Comments:

Citations:

Huegel, Craig N. (2009-2025). Native Florida Wildflowers (blog). ( http://hawthornhillwildflowers.blogspot.com/ ).


Gann, G.D., C.J. Abbott, C.G. Stocking, K.N. Hines, and collaborators. (2001+), Natives For Your Neighborhood. ( https://www.regionalconservation.org/beta/nfyn/plantdetail.asp?tx=Koanvill ). Accessed 2026. The Institute for Regional Conservation. Delray Beach, Florida.


Wunderlin, R. P., B. F. Hansen, A. R. Franck, and F. B. Essig. (1999+). Atlas of Florida Plants. ( https://florida.plantatlas.usf.edu/ ). [S. M. Landry and K. N. Campbell (application development), USF Water Institute.] Institute for Systematic Botany, University of South Florida, Tampa.

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